How to send patch request in Mongodb using node JS when there is no frontend?

I need to develop an backend service of sending details of comic book. The project only has backend and no frontend
I have made APIs for adding , getting and deleting the data
But i don’t know how to edit details using patch request when there is no frontend
My idea is to send request like this->

localhost3000/editcomic/:_comicID/{send the body}

The body is the input in Postman which i want to send
Like if i want to change the year then i will send

{
"year" : "1960}
}

By sending this only year will change and nothing else
How can i do this?